antenna

I'm working on improving my 80 meter stealth "upright L" coil-loaded antenna. I've now successfully constructed a large, low-loss 1:4 (1.5 [antenna] to 50 [feedline]) ohm unun and a low-loss, high common mode impedance choke balun. I've gone from a single loading coil on one side to two coils...

For past few months the scanner sometimes shows no signal bars while on my SDS200 I hear activity. I try to turn it off on and reconnect the antenna and sometimes it works but sometimes I still hear nothing then I suddenly start hearing activity. One day I removed the antenna and something came...

Hello! I have a Comet SB15 antenna that I’ve used for several years, a few months ago the upper element broke and I am just got around to replacing it. I should have measured jt before I threw it out. Does anyone know the diameter for it or better yet know where to get a replacement for just the...

So currently I have an Uniden BC125AT witha Diamond SRH77CA. I've been (attempting) catching MilAir for about a year now. I get things on and off, sometimes I get tankers over me, and other times something like fighter jets in the CAP. I keep my equipment indoors, but elevated pretty high. I've...

Does anyone know of a company to remove an antenna tower? It’s about 40 ft tall. I had used it for ham radio. I am doing a different antenna system now and would like to have the tower removed. It’s been up over 20 years. Its NOT ROHN tower. Thank you for any info.

I know, I should have taken pictures, but the lighting wasn't good. . . On the SDS100, the antenna mount may loosen. This generally does not require resoldering (much to my relief!) To repair: - Remove the "button" on the back that goes into the belt clip (1 screw, PH0) Set this screw and...

Hi all! I was hoping to find some help on this forum - my dad was a big time SW Dxer - back in the day even helped start a ppl on 160meters... anyway, he died this past year and to 'honor' him I'm trying to help my son just DX on AM radio... we live far away from my hometown but close enough in...

I remember seeing this website years ago referencing a large off-air TV antenna setup for a local cable company un in the central valley. I spent way too much time searching google earth hoping it was still standing. The website only mentions it was still standing in 1999. After finding it on...

Hello all, first post here and looking for advice on my new scanner. I'm looking to get a slightly better antenna for it than the stock one. I am in Elkhart County, Indiana. Elkhart County, Indiana (IN) Scanner Frequencies and Radio Frequency Reference Main goals are listening to local...

I have a VHF XTS5000 and was given the NMN6250A Public Safety RSM to work with the NTN8327 antenna adapter the radio came with... the radio has the 8.5" long wideband motorola antenna, useful for local ham repeaters and able to connect to VHF towers for the statewide trunking system which my...

! Upgraded Uniden BCD436HP P25 Digital Scanner – DMR & NXDN Enabled – Diamond RH77CA Antenna – Nylon Case – Extra Batteries – Programming Cable- 2020 Model This is a 2020 model Uniden BCD436HP digital police scanner (confirmed by fifth digit of the serial number in this case it's 0 meaning...

Howdy, If this sounds like a n00b post, that's because it is. I have been playing around with my SDS200 and some SDRs (RTL-SDR, USRP, etc.), but am only able to pick up a few frequencies down here in far southern Vermont, smack dab between Bennington and Brattleboro. We're at about 1850' but...

Howdy, If this sounds like a n00b post, that's because it is. I have been playing around with my SDS200 and some SDRs (RTL-SDR, USRP, etc.), but am only able to pick up a few frequencies down here in far southern Vermont, smack dab between Bennington and Brattleboro. We're at about 1850' but...

I'll start this off by saying - I have a little knowledge of antenna and scanner/frequencie knowledge, but I do know a lot of the terminology is over my head or confusing. With that being said, I have the BCT15x in my vehicle with a small dual band inexpensive antenna from Amazon currently...

I am getting a SDS100 for use in and out of my vehicle. I need a recommendation for the rubber duck antenna. I am monitoring the AIRS p25 phase 2 simulcast system in the Birmingham area. Ideally the rubber duck antenna will be as low profile as possible without suffering a major performance...

Hello everyone, I have a BCD436HP (I got it in November of last year); I'm going to be using at least 2 of these in my vehicle (likely the 436 and 536), I'm trying to find an antenna for my vehicle. I have a pickup truck, so I'm ideally looking for one that I could bolt/screw into my backrack...

i wanted to know about some good portable antennas (bnc) that wont stress the bc125at bnc connector, preferably telescopic and having some good range? i would prefer if it was wide-band capable, i have seen posts about the rh77ca but i wanted to know if there was any other goodones. i would not...

Hello all, I hope I am posting this in the correct place. I am a technician class operator who just purchased an icom IC-7300 with my tax refund (thanks, Uncle Sam! lol) I intended to take the exam to get my general license and then use the HF bands for voice communications. However, I currently...

Good day, Got his cheap antenna: https://www.tme.eu/Document/ab28b11ed5a07f3d86b2cbf91b5e11e7/433M-ANT824.pdf Trying to use it as a way to check my measurement-taking setup and equipment. - NanoVNA calibrated at S11 port for 50 ohm - Plastic stand for the antenna with good clearance around...

can someone tell me will this amplifer let me listen to vhf and uhf frequencies by amplifying them. Channel, Cascaded Ultra-Low Noise Amplifier